code: def _get_ABCD(self, shape):
      if self.use_normal_ABCD:
          A = np.random.normal(0, 1, size=(1, 1))
          B = np.random.normal(0, 1, size=(shape[0], 1))
          C = np.random.normal(0, 1, size=(1, shape[1]))
          D = np.random.normal(0, 1, size=shape)
      else:
          A = np.random.uniform(-np.sqrt(3), np.sqrt(3), size=(1, 1))
          B = np.random.uniform(
              -np.sqrt(3), np.sqrt(3), size=(shape[0], 1)
          )
          C = np.random.uniform(
              -np.sqrt(3), np.sqrt(3), size=(1, shape[1])
          )
          D = np.random.uniform(-np.sqrt(3), np.sqrt(3), size=shape)
  
      A = np.tile(A, [shape[0], shape[1]])
      B = np.tile(B, [1, shape[1]])
      C = np.tile(C, [shape[0], 1])
  
      return [A, B, C, D]
  
imports: import numpy
  import abc
  from scipy.stats import gennorm
  from scipy.special import gamma
  from scipy.stats import laplace
label_desc: Use image node_id 2 for calling the RceInitialiser obj's underlying member method code with example usage: obj._get_ABCD(shape) and returns: list